diff --git a/configs/T4240RDB_defconfig b/configs/T4240RDB_defconfig
index dfe8953..2d8ab6f 100644
--- a/configs/T4240RDB_defconfig
+++ b/configs/T4240RDB_defconfig
@@ -60,3 +60,5 @@
 CONFIG_FSL_ESPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_ADDR_MAP=y
+CONFIG_SYS_NUM_ADDR_MAP=64